I have used Speedshifter in all capacities: as a teacher, a student, a performer, and just a back porch fiddler. It is one of my absolutely most favorite tools, but it meant dragging a laptop around with me, but not any longer. I just downloaded the mobile Speedshifter to my ipad and it defaults to my iTunes music list. How sweet is that! Nice work yall. I am just delighted. Thank you. Terry